Type 1 - How to stop the monitor from switching one camera's picture to another?

Applies to:

DL41B/DL81B/DL41A/DL81A/DL41D/DL81D/DH81S/DH81X/DH81NG/DM41D/DM41A/DM81A/DN41D/DN81D/DN41S/DN41NA/DM41H/DM81H/DM21O/DM31O/DE41N/DE81N/DN81NB/DM81Z/DM61W/DG81CP/DG81CQ/DH81NK/DG81CR/DH41NK/DM41G/DN41CJ/DN81BJ/DN61EC/DG81W/DG61X/DG41T/DT81DQ/DT41DC/DT61ER/DG41BE/DG81BE/NP41F/N43SU/N44SU/N48PZ/N481U/N441U/N44PBD/N461W/N48PAU

Go to Main Menu-->System-->Tour and uncheck the tour function.

Go to Main Menu-->Alarm-->Motion Detect and make sure no number on tour is lit up

Go to Main Menu-->Alarm-->Video Blind and make sure no number on tour is lit up

Go to Main Menu-->Alarm-->Video Loss and make sure no number on tour is lit up